{"nhtsa_id":11035741,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-05","date":"2026-07-29","document_id":"2121.4","mfr_campaign":null,"replaces":null,"component":"VEHICLE SPEED CONTROL; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL","mfr_system":"Electrical","summary":"ACC Dynamic Calibration Fault C110300","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035741-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035741-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035741","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"speed-control","name":"Throttle and cruise control","parent":null},{"id":"adaptive-cruise","name":"Adaptive cruise control","parent":"driver-assistance"}],"codes":["C1103"],"topics":[],"vehicles":[{"make":"PORSCHE","model":"CAYENNE","year_from":2019,"year_to":2025,"match":"exact","vehicle_ids":["2019_porsche_cayenne","2020_porsche_cayenne","2021_porsche_cayenne","2022_porsche_cayenne","2023_porsche_cayenne","2024_porsche_cayenne","2025_porsche_cayenne"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}